How far is St Petersburg, FL, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and St Petersburg (St. Pete–Clearwater International Airport) is 1238 miles / 1993 kilometers / 1076 nautical miles.
The driving distance from Portsmouth (PSM) to St Petersburg (PIE) is 1414 miles / 2275 kilometers, and travel time by car is about 27 hours 33 minutes.
Portsmouth International Airport at Pease – St. Pete–Clearwater International Airport
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Distance from Portsmouth to St Petersburg
There are several ways to calculate the distance from Portsmouth to St Petersburg. Here are two standard methods:
Vincenty's formula (applied above)- 1238.443 miles
- 1993.081 kilometers
- 1076.177 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1239.585 miles
- 1994.919 kilometers
- 1077.170 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Portsmouth to St Petersburg?
The estimated flight time from Portsmouth International Airport at Pease to St. Pete–Clearwater International Airport is 2 hours and 50 minutes.
What is the time difference between Portsmouth and St Petersburg?
There is no time difference between Portsmouth and St Petersburg.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and St. Pete–Clearwater International Airport (PIE)
On average, flying from Portsmouth to St Petersburg generates about 163 kg of CO2 per passenger, and 163 kilograms equals 359 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to St Petersburg
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and St. Pete–Clearwater International Airport (PIE).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |
| Destination | St. Pete–Clearwater International Airport |
|---|---|
| City: | St Petersburg, FL |
| Country: | United States |
| IATA Code: | PIE |
| ICAO Code: | KPIE |
| Coordinates: | 27°54′36″N, 82°41′14″W |